• Homotypic and heterotypic continuity of symptoms of psychiatric disorders from age 4 to 10 years: a dynamic panel model 

      Wichstrøm, Lars; Belsky, Jay; Steinsbekk, Silje (Journal article; Peer reviewed, 2017)
      Background Childhood psychiatric disorders and their symptoms evince both within-disorder (homotypic) and between-disorder (heterotypic) continuities. These continuities may be due to earlier symptoms causing later ...
    • Preschool predictors of childhood anxiety disorders: a prospective community study 

      Wichstrøm, Lars; Belsky, Jay; Berg-Nielsen, Turid Suzanne (Journal article; Peer reviewed, 2013)
      Background Anxiety disorders are often present at preschool age. Research on older children and studies contrasting preschoolers with high versus low behavioral inhibition (BI) highlight several risk factors, but these ...
    • Prevalence of psychiatric disorders in preschoolers 

      Wichstrøm, Lars; Berg-Nielsen, Turid Suzanne; Angold, Adrian; Egger, Helen L.; Solheim, Elisabet; Sveen, Trude Hamre (Journal article; Peer reviewed, 2012)
      Background:  Many disorders in childhood and adolescence were already present in the preschool years. However, there is little empirical research on the prevalence of psychiatric disorders in young children. A true community ...